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https://github.com/fosslinux/live-bootstrap.git
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968d2ea7d1
Utilising previously introduced DESTDIR support, everything is installed to aformentioned DESTDIR. Prior to the building of XBPS, we use gzip compressed tarballs as packages. This requires a lot of strange hacks especially for old tar + gzip (timestamps, etc causing reproducibility problems). Then we use XBPS once built.
298 lines
9 KiB
Bash
Executable file
298 lines
9 KiB
Bash
Executable file
#!/bin/bash -e
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# SPDX-FileCopyrightText: 2021 Andrius Štikonas <andrius@stikonas.eu>
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# SPDX-FileCopyrightText: 2021 fosslinux <fosslinux@aussies.space>
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# SPDX-FileCopyrightText: 2021 Paul Dersey <pdersey@gmail.com>
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# SPDX-FileCopyrightText: 2021 Melg Eight <public.melg8@gmail.com>
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#
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# SPDX-License-Identifier: GPL-3.0-or-later
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# Find a list of links
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get_links() {
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original="${1:-${PWD}/}"
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if [ -n "$(ls)" ]; then
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for f in *; do
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# Bash link detection is broken
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# and we don't always have grep, hence this pretty dodgy solution
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case "$(ls -ld "${f}")" in
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*" -> "*)
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fullpath="${PWD}/${f}"
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# shellcheck disable=SC2001
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echo "$(readlink "${f}") /$(echo "${fullpath}" | sed "s:^${original}::")"
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rm "${f}" # Don't include in tarball
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;;
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*)
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if [ -d "${f}" ]; then
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cd "${f}"
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get_links "${original}"
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cd ..
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fi
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;;
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esac
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done
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fi
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}
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# Reset all timestamps to unix time 0
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reset_timestamp() {
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fs=
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if [ -n "$(ls)" ]; then
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fs=$(echo *)
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fi
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if [ -n "$(ls .[0-z]*)" ]; then
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fs="${fs} $(echo .[0-z]*)"
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fi
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for f in ${fs}; do
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args=
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if touch --help | grep ' \-h' >/dev/null; then
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args="-h"
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fi
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touch ${args} -t 197001010000.00 "${f}"
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if [ -d "${f}" ]; then
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cd "${f}"
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reset_timestamp
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cd ..
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fi
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done
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}
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# Common build steps
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# Build function provides a few common stages with default implementation
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# that can be overridden on per package basis in the build script.
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# build takes three arguments:
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# 1) name-version of the package
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# 2) optionally specify build script. Default is name-version.sh
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# 3) optionally specify name of checksum file. Default is checksums
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# 4) directory of patches. Default is patches
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# 5) directory to cd into. Default is ${pkg}
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build() {
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pkg=$1
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script_name=${2:-${pkg}.sh}
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dirname=${5:-${pkg}}
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cd "${SOURCES}/${pkg}" || (echo "Cannot cd into ${pkg}!"; kill $$)
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echo "${pkg}: beginning build using script ${script_name}"
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base_dir="${PWD}"
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patch_dir="${base_dir}/${4:-patches}"
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mk_dir="${base_dir}/mk"
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files_dir="${base_dir}/files"
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DESTDIR="/tmp/destdir"
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mkdir -p "build"
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cd "build"
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build_script="${base_dir}/${script_name}"
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if test -e "${build_script}"; then
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# shellcheck source=/dev/null
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. "${build_script}"
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fi
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echo "${pkg}: unpacking source."
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build_stage=src_unpack
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call $build_stage
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cd "${dirname}" || (echo "Cannot cd into build/${dirname}!"; kill $$)
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echo "${pkg}: preparing source."
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build_stage=src_prepare
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call $build_stage
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echo "${pkg}: configuring source."
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build_stage=src_configure
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call $build_stage
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echo "${pkg}: compiling source."
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build_stage=src_compile
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call $build_stage
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echo "${pkg}: install to fakeroot."
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build_stage=src_install
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call $build_stage
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cd /usr/src/repo
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# Get revision (n time this package has been built)
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revision="$(echo "${pkg}"*)"
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# Different versions of bash
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if [ "${revision}" = "${pkg}*" ] || [ -z "${revision}" ]; then
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revision=0
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else
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revision="${revision##*_}"
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revision="${revision%%.*}"
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revision=$((++revision))
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fi
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echo "${pkg}: creating package."
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# Various shenanigans must be implemented for repoducibility
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# as a result of timestamps
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cd "${DESTDIR}"
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touch -t 197001010000.00 .
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reset_timestamp
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cd /usr/src/repo
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if command -v xbps-create >/dev/null 2>&1; then
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xbps-create -A "${ARCH}" -n "${pkg}_${revision}" -s "${pkg}" --compression xz "${DESTDIR}"
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else
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# All symlinks are dereferenced, which is BAD
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cd "${DESTDIR}"
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get_links > "/usr/src/repo/${pkg}_${revision}.links"
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cd /usr/src/repo
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args=
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if tar --help | grep ' \-\-sort' >/dev/null 2>&1; then
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args="--sort=name"
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fi
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tar -C "${DESTDIR}" ${args} -cf "/usr/src/repo/${pkg}_${revision}.tar" .
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touch -t 197001010000.00 "${pkg}_${revision}.tar"
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gzip "${pkg}_${revision}.tar"
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fi
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echo "${pkg}: checksumming created package."
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# shellcheck disable=SC2154
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test -z "${checksum}" || checksum="$(echo "${checksum} " "${pkg}_${revision}."*)"
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if echo "${checksum}" | grep -q ".links"; then
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checksum="$(echo "${checksum}" | cut -f'1 2 4' -d' ')"
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fi
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test -z "${checksum}" || echo "${checksum}" | sha256sum -c || \
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(echo "Expected: ${checksum}"; echo "Got: $(sha256sum $(echo "${checksum}" | cut -d' ' -f3))"; false)
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if command -v xbps-rindex >/dev/null 2>&1; then
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echo "${pkg}: adding package to repository."
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xbps-rindex --compression xz -a "/usr/src/repo/${pkg}_${revision}.${ARCH}.xbps"
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fi
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echo "${pkg}: cleaning up."
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rm -rf "${SOURCES}/${pkg}/build"
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rm -rf /tmp/destdir/
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mkdir -p /tmp/destdir/
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echo "${pkg}: installing package."
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if command -v xbps-install >/dev/null 2>&1; then
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xbps-install -y -R /usr/src/repo "${pkg%%-[0-9]*}"
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else
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tar -C / -xzpf "/usr/src/repo/${pkg}_${revision}.tar.gz"
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# shellcheck disable=SC2162
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# ^ read -r unsupported in old bash
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while read line; do
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# shellcheck disable=SC2001
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# ^ cannot use variable expansion here
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rm -f "$(echo "${line}" | sed 's/.* //')"
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# shellcheck disable=SC2226,SC2086
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# ^ ${line} expands into two arguments
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ln -s ${line}
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done < "/usr/src/repo/${pkg}_${revision}.links"
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fi
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echo "${pkg}: build successful"
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cd "${SOURCES}"
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unset -f src_unpack src_prepare src_configure src_compile src_install
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}
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# Default unpacking function that unpacks all source tarballs.
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default_src_unpack() {
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src_dir="${base_dir}/src"
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# Check for new tar
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if test -e "${PREFIX}/libexec/rmt"; then
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for i in "${src_dir}"/*; do
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tar --no-same-owner -xf "${i}"
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done
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else
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for i in "${src_dir}"/*.tar.gz; do
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[ -e "${i}" ] || continue
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tar -xzf "${i}"
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done
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for i in "${src_dir}"/*.tar.bz2; do
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[ -e "${i}" ] || continue
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tar -xf "${i}" --use-compress-program=bzip2
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done
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for i in "${src_dir}"/*.tar.xz; do
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[ -e "${i}" ] || continue
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tar -xf "${i}" --use-compress-program=xz
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done
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for i in "${src_dir}"/*.tar; do
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[ -e "${i}" ] || continue
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tar -xf "${i}"
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done
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fi
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}
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# Default function to prepare source code.
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# It applies all patches from patch_dir (at the moment only -p0 patches are supported).
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# Then it copies our custom makefile and any other custom files from files directory.
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default_src_prepare() {
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if test -d "${patch_dir}"; then
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for p in "${patch_dir}"/*.patch; do
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echo "Applying patch: ${p}"
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patch -Np0 < "${p}"
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done
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fi
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makefile="${mk_dir}/main.mk"
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if test -e "${makefile}"; then
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cp "${makefile}" Makefile
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fi
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if test -d "${files_dir}"; then
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cp "${files_dir}"/* "${PWD}/"
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fi
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}
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# Default function for configuring source.
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default_src_configure() {
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:
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}
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# Default function for compiling source. It simply runs make without any parameters.
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default_src_compile() {
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make -f Makefile PREFIX="${PREFIX}"
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}
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# Default installing function. PREFIX should be set by run.sh script.
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# Note that upstream makefiles might ignore PREFIX and have to be configured in configure stage.
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default_src_install() {
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make -f Makefile install PREFIX="${PREFIX}" DESTDIR="${DESTDIR}"
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}
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# Check if bash function exists
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fn_exists() {
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test "$(type -t "$1")" == 'function'
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}
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# Call package specific function or default implementation.
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call() {
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if fn_exists "$1"; then
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$1
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else
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default_"${1}"
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fi
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}
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# Call default build stage function
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default() {
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"default_${build_stage}"
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}
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# Set modified dates of all files to be 0 unix time.
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# Should be called at the end of bootstrapping process.
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# This function needs `touch` that supports --no-dereference
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# (at least coreutils 8.1).
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canonicalise_all_files_timestamp() {
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find / -exec touch --no-dereference -t 197001010000.00 {} +
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}
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populate_device_nodes() {
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# http://www.linuxfromscratch.org/lfs/view/6.1/chapter06/devices.html
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mkdir -p "${1}/dev"
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rm "${1}/dev/null" -f
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test -c "${1}/dev/null" || mknod -m 666 "${1}/dev/null" c 1 3
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test -c "${1}/dev/zero" || mknod -m 666 "${1}/dev/zero" c 1 5
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test -c "${1}/dev/random" || mknod -m 444 "${1}/dev/random" c 1 8
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test -c "${1}/dev/urandom" || mknod -m 444 "${1}/dev/urandom" c 1 9
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if [ "${CHROOT}" = False ]; then
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test -c "${1}/dev/ptmx" || mknod -m 666 "${1}/dev/ptmx" c 5 2
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test -c "${1}/dev/tty" || mknod -m 666 "${1}/dev/tty" c 5 0
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test -c "${1}/dev/console" || mknod -m 666 "${1}/dev/console" c 5 1
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fi
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}
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